Meaning of infighting

in•fight•ing

Pronunciation: (in'fī"ting), [key]
— n.
  1. fighting at close range.
  2. fighting between rivals, people closely associated, members of a group, etc.; internecine contention.
  3. free-for-all fighting.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.